From: Rodolfo Lima (rodolfo_at_[hidden])
Date: 2008-07-05 11:04:58
Andy Rushton escreveu:
> Except you've quoted it wrong. The return type of virtual functions must
> always be the same for all classes in the polymorphic hierarchy. This is
> standard C++ polymorphism - always use a pointer to the superclass to
> point to all subclasses. The return type in this case should be A* for
> both cases:
And apparently you've forgotten what covariant return types are :)
Regards,
rod